John Edgar McCafferty (January 6, 1920 – April 30, 1980) was a Bishop of the Catholic Church in the United States. He served as an auxiliary bishop of the Diocese of Rochester from 1968 to 1980.

Born in New York City, John McCafferty was ordained a priest for the Diocese of Rochester on March 17, 1945.

On January 5, 1968 Pope Paul VI appointed him as the Titular Bishop of Tanudaia and Auxiliary Bishop of Rochester. He was consecrated bishop by Archbishop Luigi Raimondi, the Apostolic Delegate to the United States, on June 14, 1968. The principal co-consecrators were Rochester Bishop Fulton J. Sheen and Bishop Emeritus James E. Kearney.

McCafferty served as an auxiliary bishop until his death on April 30, 1980, at the age of 60.^[1][2]

v t e Roman Catholic Diocese of Rochester
Ordinaries	Bishops Bernard John McQuaid Thomas Francis Hickey John Francis O'Hern Edward Mooney James E. Kearney Fulton J. Sheen Joseph Lloyd Hogan Matthew H. Clark Salvatore Ronald Matano Coadjutor bishop Thomas Francis Hickey Auxiliary bishops Lawrence B. Casey John Edgar McCafferty Dennis Walter Hickey
Churches	Cathedral Sacred Heart Cathedral, Rochester Parishes Immaculate Conception Church, Rochester Our Lady of Victory Roman Catholic Church, Rochester St. Charles Borromeo Church, Greece St. Bridget's Roman Catholic Church Complex, Bloomfield Saint George Roman Catholic Lithuanian Church, Rochester St. Mary's Church, Rochester Saint Michael's Church, Rochester St. Rose Roman Catholic Church Complex, Lima Former parishes Our Mother of Sorrows Roman Catholic Church Complex, Greece St. Joseph's Church and Rectory, Rochester
Education	Seminary St. Bernard's School of Theology and Ministry, Pittsford Former seminary Saint Bernard's Seminary, Rochester High schools The Aquinas Institute of Rochester Bishop Kearney High School, Irondequoit McQuaid Jesuit High School, Brighton Notre Dame High School, Elmira Our Lady of Mercy School for Young Women, Brighton Former high schools Academy of the Sacred Heart, Rochester Cardinal Mooney High School, Greece DeSales High School, Geneva Holy Family High School, Auburn Mount Carmel High School, Auburn Nazareth Academy, Rochester St. Agnes High School, Rochester St. Anthony of Padua High School, Watkins Glen St. Joseph's Business High School, Rochester
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